This is the 15480th most frequent German word.
verwandeln
"Verwandeln" means "to transform" or "to change into."
Here, 'verwandeln' is used reflexively ('sich verwandeln') to denote transformation or change into something else.
Die Raupe verwandelt sich in einen wunderschönen Schmetterling.
The caterpillar transforms into a beautiful butterfly.
In this sentence, 'verwandeln' is used transitively to indicate that the wizard is directly causing the transformation of the stick into a snake.
Der Zauberer verwandelte den Stock in eine Schlange.
The wizard turned the stick into a snake.
Here, 'verwandeln' is used to describe changing one's own appearance or characteristics, still reflecting transformation but focusing on a personal or aesthetic change.